Woodsman's Casserole

2 (11 ounce) cans condensed cheddar cheese soup
2 1/2 cups water
2 teaspoons instant minced onion
3/4 teaspoon salt
1/4 teaspoon pepper
1 (6 ounce) package dry hash brown potatoes
1 (12 ounce) can luncheon meat, cubed
1 16 ounce) can whole green beans, drained

In large cast iron pot, stir soup and water together until smooth. Add seasonings. Stir in remaining ingredients. Heat through, stirring frequently, until potatoes are tender.